fix to open share urls from preview with files app

The wrong context was passed, so the overwritten startActivity in ChatActivity was not called.

Signed-off-by: Marcel Hibbe <dev@mhibbe.de>

app/src/main/java/com/nextcloud/talk/adapters/messages/IncomingLinkPreviewMessageViewHolder.kt

@@ -98,7 +98,7 @@ class IncomingLinkPreviewMessageViewHolder(incomingView: View, payload: Any) :
             message,
             ncApi,
             binding.referenceInclude,
-            context
+            itemView.context
         )
         binding.referenceInclude.referenceWrapper.setOnLongClickListener { l: View? ->
             commonMessageInterface.onOpenMessageActionsDialog(message)

app/src/main/java/com/nextcloud/talk/adapters/messages/OutcomingLinkPreviewMessageViewHolder.kt

@@ -109,7 +109,7 @@ class OutcomingLinkPreviewMessageViewHolder(outcomingView: View, payload: Any) :
             message,
             ncApi,
             binding.referenceInclude,
-            context
+            itemView.context
         )
         binding.referenceInclude.referenceWrapper.setOnLongClickListener { l: View? ->
             commonMessageInterface.onOpenMessageActionsDialog(message)